/**
 * 本系统中用于表单验证所需要的方法
 */
/** 通用验证规则 **/
export const rulesCreater = {
  rangeValue: (val) => ({ type: 'number', max: val, message: '输入值不能大于' + val, trigger: 'blur' })
}
export function checkoutCommonRules (keys) {
  const rules = {
    require: { required: true, message: '请输入有效内容', trigger: 'blur' },
    integer: { type: 'integer', message: '请输入正整数', trigger: 'blur' },
    number: { type: 'number', message: '请输入有效数字', trigger: 'blur' },
    notLessZero: { type: 'number', min: 0, message: '输入数值必须大于0', trigger: 'blur' }
  }
  if (Array.isArray(keys)) {
    return keys.map(item => (rules[item]))
  } else if (keys && typeof keys === 'object') {
    return Object.keys(keys).map(item => (Object.assign({}, rules[item] || {}, keys[item] || {})))
  }
  return Object.values(rules)
}
/** 表单通用验证规则/函数 **/
/* 手机号正则 */
export const telphoneReg = /^1\d{10}$/

/* 身份证正则 */
export const idCardReg = /^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i
/* 身份证合法性验证 */
export function idCardValid (idNo) {
  const idNumber = idNo.toString().toUpperCase()
  const provCodes = ['11', '12', '13', '14', '15', '21', '22', '23', '31', '32', '33', '34', '35', '36', '37', '41', '42', '43', '44', '45', '46', '50', '51', '52', '53', '54', '61', '62', '63', '64', '65', '71', '81', '82', '91']
  const lastCodeCheck = () => {
    if (idNumber.length === 18) {
      const chars = idNumber.split('')
      // ∑(ai×Wi)(mod 11)
      // 加权因子
      const factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ]
      // 校验位
      const parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ]
      let sum = 0
      let ai = 0
      let wi = 0
      for (let i = 0; i < 17; i++) {
        ai = chars[i]
        wi = factor[i]
        sum += ai * wi
      }
      const last = parity[sum % 11]
      return last.toString() === chars[17]
    }
    return true
  }
  return idCardReg.test(idNumber) && provCodes.includes(idNumber.substr(0, 2)) && lastCodeCheck()
}
export function idCardValidate (rule, value, callback) {
  return idCardValid(value) ? callback() : callback(new Error('身份证号码不合法'))
}

export function formulaValidate (string, variables) {
  string = string.replace(/\s/g, '') // 剔除空白符
  const sc = /[\+\-\*\/]{2,}/ // 错误情况，运算符连续
  const eb = /\(\)/ // 空括号
  const sl = /\([\+\-\*\/]/ // 错误情况，(后面是运算符
  const bs = /[\+\-\*\/]\)/ // 错误情况，)前面是运算符
  const bns = /[^\+\-\*\/]\(/ // 错误情况，(前面不是运算符
  const blns = /\)[^\+\-\*\/]/ // 错误情况，)后面不是运算符

  const bmatch = () => { // 错误情况，括号不配对
    let stack = []
    for (let i = 0, item; i < string.length; i++) {
      item = string.charAt(i)
      if (item === '(') {
        stack.push('(')
      } else if (item === ')') {
        if (stack.length > 0) {
          stack.pop()
        } else {
          return false
        }
      }
    }
    return !stack.length
  }
  const varInList = (vars) => { // 错误情况，变量没有来自“待选公式变量”
    const tmpStr = string.replace(/[\(\)\+\-\*\/]{1,}/g, '`')
    const array = tmpStr.split('`')
    return array.every(item => (!/[A-Z]/i.test(item) || vars.includes(item)))
  }
  return !sc.test(string) && !eb.test(string) && !sl.test(string) && !bs.test(string) && !bns.test(string) && !blns.test(string) && bmatch() && (!Array.isArray(variables) || varInList(variables))
}

/**
 * Created by jiachenpan on 16/11/18.
 */

export function isvalidUsername(str) {
  const valid_map = ['admin', 'editor']
  return valid_map.indexOf(str.trim()) >= 0
}

/* 合法uri*/
export function validateURL(textval) {
  const urlregex = /^(https?|ftp):\/\/([a-zA-Z0-9.-]+(:[a-zA-Z0-9.&%$-]+)*@)*((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}|([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(:[0-9]+)*(\/($|[a-zA-Z0-9.,?'\\+&%$#=~_-]+))*$/
  return urlregex.test(textval)
}
/**
* 邮箱
* @param {*} s
*/
export function isEmail(s) {
  return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/.test(s)
}

/**
* 手机号码
* @param {*} s
*/
export function isMobile(s) {
  return /^1[0-9]{10}$/.test(s)
}

/**
* 电话号码
* @param {*} s
*/
export function isPhone(s) {
  return /^([0-9]{3,4}-)?[0-9]{7,8}$/.test(s)
}

/**
* URL地址
* @param {*} s
*/
export function isURL(s) {
  return /^http[s]?:\/\/.*/.test(s)
}

/* 小写字母*/
export function validateLowerCase(str) {
  const reg = /^[a-z]+$/
  return reg.test(str)
}

/* 大写字母*/
export function validateUpperCase(str) {
  const reg = /^[A-Z]+$/
  return reg.test(str)
}

/* 大小写字母*/
export function validatAlphabets(str) {
  const reg = /^[A-Za-z]+$/
  return reg.test(str)
}
/*验证pad还是pc*/
export const vaildatePc = function() {
      const userAgentInfo = navigator.userAgent;
      const Agents = ["Android", "iPhone",
          "SymbianOS", "Windows Phone",
          "iPad", "iPod"
      ];
      let flag = true;
      for (var v = 0; v < Agents.length; v++) {
          if (userAgentInfo.indexOf(Agents[v]) > 0) {
              flag = false;
              break;
          }
      }
      return flag;
  }
  /**
   * validate email
   * @param email
   * @returns {boolean}
   */
export function validateEmail(email) {
  const re = /^(([^<>()\\[\]\\.,;:\s@"]+(\.[^<>()\\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
  return re.test(email)
}

/**
* 判断身份证号码
*/
export function cardid(code) {
  let list = [];
  let result = true;
  let msg = '';
  var city = {
      11: "北京",
      12: "天津",
      13: "河北",
      14: "山西",
      15: "内蒙古",
      21: "辽宁",
      22: "吉林",
      23: "黑龙江 ",
      31: "上海",
      32: "江苏",
      33: "浙江",
      34: "安徽",
      35: "福建",
      36: "江西",
      37: "山东",
      41: "河南",
      42: "湖北 ",
      43: "湖南",
      44: "广东",
      45: "广西",
      46: "海南",
      50: "重庆",
      51: "四川",
      52: "贵州",
      53: "云南",
      54: "西藏 ",
      61: "陕西",
      62: "甘肃",
      63: "青海",
      64: "宁夏",
      65: "新疆",
      71: "台湾",
      81: "香港",
      82: "澳门",
      91: "国外 "
  };
  if (!validatenull(code)) {
      if (code.length == 18) {
          if (!code || !/(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(code)) {
              msg = "证件号码格式错误";
          } else if (!city[code.substr(0, 2)]) {
              msg = "地址编码错误";
          } else {
              //18位身份证需要验证最后一位校验位
              code = code.split('');
              //∑(ai×Wi)(mod 11)
              //加权因子
              var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
              //校验位
              var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2, 'x'];
              var sum = 0;
              var ai = 0;
              var wi = 0;
              for (var i = 0; i < 17; i++) {
                  ai = code[i];
                  wi = factor[i];
                  sum += ai * wi;
              }
              if (parity[sum % 11] != code[17]) {
                  msg = "证件号码校验位错误";
              } else {
                  result = false;
              }

          }
      } else {
          msg = "证件号码长度不为18位";
      }

  } else {
      msg = "证件号码不能为空";
  }
  list.push(result);
  list.push(msg);
  return list;
}
/**
* 判断手机号码是否正确
*/
export function isvalidatemobile(phone) {
  let list = [];
  let result = true;
  let msg = '';
  var isPhone = /^0\d{2,3}-?\d{7,8}$/;
  //增加134 减少|1349[0-9]{7}，增加181,增加145，增加17[678]  
  if (!validatenull(phone)) {
      if (phone.length == 11) {
          if (isPhone.test(phone)) {
              msg = '手机号码格式不正确';
          } else {
              result = false;
          }
      } else {
          msg = '手机号码长度不为11位';
      }
  } else {
      msg = '手机号码不能为空';
  }
  list.push(result);
  list.push(msg);
  return list;
}
/**
* 判断姓名是否正确
*/
export function validatename(name) {
  var regName = /^[\u4e00-\u9fa5]{2,4}$/;
  if (!regName.test(name)) return false;
  return true;
}
/**
* 判断是否为整数
*/
export function validatenum(num, type) {
  let regName = /[^\d.]/g;
  if (type == 1) {
      if (!regName.test(num)) return false;
  } else if (type == 2) {
      regName = /[^\d]/g;
      if (!regName.test(num)) return false;
  }
  return true;
}
/**
* 判断是否为小数
*/
export function validatenumord(num, type) {
  let regName = /[^\d.]/g;
  if (type == 1) {
      if (!regName.test(num)) return false;
  } else if (type == 2) {
      regName = /[^\d.]/g;
      if (!regName.test(num)) return false;
  }
  return true;
}
/**
* 判断是否为空
*/
export function validatenull(val) {
  if (typeof val == 'boolean') {
      return false;
  }
  if (typeof val == 'number') {
      return false;
  }
  if (val instanceof Array) {
      if (val.length == 0) return true;
  } else if (val instanceof Object) {
      if (JSON.stringify(val) === '{}') return true;
  } else {
      if (val == 'null' || val == null || val == 'undefined' || val == undefined || val == '') return true;
      return false;
  }
  return false;
}